Have a question?

Siemens Actuator Motor SQN31.251A2

These Siemens actuators are for air dampers and the controlling of valves in oil burners or use with controllers or switching devices equipped with changeover contacts.

The SQM 31 series has a torque rating of up to 1.8Nm and a running time of 4.5s - 30s. This series also features a clockwise or counter-clockwise rotation.

The actuators cover is made up of impact proof and heat resistant plastic — an aesthetically pleasing black cover. The front of the gear train is used as the mounting surface. With adjustable cams - scales beside the cams indicate the angle of the switching point - Cams manually adjustable with tool supplied with the actuator.

The SQM31.251A2 features adjustable cams, self-lubricating reduction gearing with bronze bearings that require no maintenance, and is ready to be fitted to the front of the gear train. The actuator has a designed lifetime of an impressive 250,000 start cycles!